All Common Core: 7th Grade Math Resources
Example Questions
Example Question #21 : Grade 7
David walks of a mile in of an hour. If he continues this rate, what is David's speed in miles per hour
The phrase "miles per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have miles, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
David can walk at a speed of:
Example Question #21 : Ratios & Proportional Relationships
Jenni drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Jenni drink?
The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Jenni drinks
Example Question #21 : Compute Unit Rates Associated With Ratios Of Fractions: Ccss.Math.Content.7.Rp.A.1
Lisa drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Lisa drink?
The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Lisa drinks
Example Question #22 : Grade 7
Molly drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Molly drink?
The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Molly drinks
Example Question #24 : Ratios & Proportional Relationships
Emily drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Emily drink?
The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Emily drinks
Example Question #23 : Grade 7
Leah drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Leah drink?
The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Leah drinks
Example Question #21 : Grade 7
Judy eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?
The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Judy can eat
Example Question #24 : Grade 7
Nancy eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?
The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Nancy can eat
Example Question #25 : Grade 7
Shellie eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?
The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Shellie can eat
Example Question #30 : Ratios & Proportional Relationships
Lilly eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?
The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :
Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.
Therefore:
Lilly can eat